DESCRIPTION

The L3281 is an electronic speech circuit developed to replace hybrid circuits in telephone sets that can be operated in parallel with other phones.

■ OPERATION DOWN TO 1.6V / 6.5mA

■ DTMF & BEEP TONE INPUTS

■ EXTERNAL MUTING FOR EARPHONE AND MICROPHONE

■ SUITABLE FOR DYNAMIC EARPHONE AND DYNAMIC OR ELECTRET MICROPHONE

■ AGC CONTROL ON BOTH SENDING AND RECEIVING